fix

Application/AuthApplication.cs

@@ -0,0 +1,85 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+
+using Microsoft.Extensions.Options;
+using Microsoft.IdentityModel.Tokens;
+using Service.AppSettingModel;
+
+namespace Application;
+
+/// <summary>
+/// 认证应用服务接口
+/// </summary>
+public interface IAuthApplication
+{
+    /// <summary>
+    /// 用户登录
+    /// </summary>
+    LoginResponse Login(LoginRequest request);
+}
+
+/// <summary>
+/// 认证应用服务实现
+/// </summary>
+public class AuthApplication(
+    IOptions<AuthSettings> authSettings,
+    IOptions<JwtSettings> jwtSettings,
+    ILogger<AuthApplication> logger) : IAuthApplication
+{
+    private readonly AuthSettings _authSettings = authSettings.Value;
+    private readonly JwtSettings _jwtSettings = jwtSettings.Value;
+    private readonly ILogger<AuthApplication> _logger = logger;
+
+    public LoginResponse Login(LoginRequest request)
+    {
+        // 验证密码
+        if (string.IsNullOrEmpty(request.Password))
+        {
+            throw new ValidationException("密码不能为空");
+        }
+
+        if (request.Password != _authSettings.Password)
+        {
+            _logger.LogWarning("登录失败: 密码错误");
+            throw new ValidationException("密码错误");
+        }
+
+        // 生成JWT Token
+        var token = GenerateJwtToken();
+        var expiresAt = DateTime.UtcNow.AddHours(_jwtSettings.ExpirationHours);
+
+        _logger.LogInformation("用户登录成功");
+
+        return new LoginResponse
+        {
+            Token = token,
+            ExpiresAt = expiresAt
+        };
+    }
+
+    /// <summary>
+    /// 生成JWT Token
+    /// </summary>
+    private string GenerateJwtToken()
+    {
+        var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_jwtSettings.SecretKey));
+        var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
+
+        var claims = new[]
+        {
+            new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
+            new Claim(JwtRegisteredClaimNames.Iat, DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString()),
+            new Claim("auth", "password-auth")
+        };
+
+        var token = new JwtSecurityToken(
+            issuer: _jwtSettings.Issuer,
+            audience: _jwtSettings.Audience,
+            claims: claims,
+            expires: DateTime.UtcNow.AddHours(_jwtSettings.ExpirationHours),
+            signingCredentials: credentials
+        );
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+}